(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 6/21/2026 3:36 AM America/Puerto_Rico.
Valid through 6/21/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 210736
cwfsju
expires:202606212015;;114819
coastal waters forecast
national weather service san juan pr
336 am ast sun jun 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz712-212015-
coastal waters of northern puerto rico out 10 nm-
336 am ast sun jun 21 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots with gusts up to 25 knots,
increasing to 15 to 20 knots with gusts up to 30 knots this
afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 6 seconds and northeast 1 foot at 11 seconds.
isolated thunderstorms. numerous showers early this morning, then
scattered showers late this morning and afternoon.
.tonight...east winds 15 to 20 knots with gusts up to 30 knots,
diminishing to 10 to 15 knots with gusts up to 20 knots after
midnight. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 6 seconds and northeast 1 foot at 11 seconds.
.monday...east winds 15 to 20 knots, increasing to 20 to 25 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 6 seconds and northeast 1 foot at 10 seconds.
.monday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 6 seconds and
northeast 1 foot at 10 seconds.
.tuesday...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
6 seconds and northeast 1 foot at 10 seconds.
.tuesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 6 seconds and
northeast 1 foot at 12 seconds. scattered showers.
.wednesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers in the morning.
.wednesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
.thursday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
.thursday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 6/21/2026 3:36 AM America/Puerto_Rico.
Valid through 6/21/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 210736
cwfsju
expires:202606212015;;114824
coastal waters forecast
national weather service san juan pr
336 am ast sun jun 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-212015-
coastal waters of southern puerto rico out 10 nm-
336 am ast sun jun 21 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
late this morning and afternoon. seas 3 to 5 feet, occasionally to
6 feet. wave detail: east 5 feet at 7 seconds. numerous showers with
isolated thunderstorms this morning. isolated showers this
afternoon.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds. scattered showers in the evening.
.monday...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds. scattered showers in the morning.
.monday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
wave detail: east 5 feet at 7 seconds. scattered showers after
midnight.
.tuesday...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds.
.tuesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 7 seconds.
scattered showers.
.wednesday...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.thursday...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.thursday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 6/21/2026 3:36 AM America/Puerto_Rico.
Valid through 6/21/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 210736
cwfsju
expires:202606212015;;114825
coastal waters forecast
national weather service san juan pr
336 am ast sun jun 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz741-212015-
mona passage southward to 17n-
336 am ast sun jun 21 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds and northeast 1 foot at 11 seconds. scattered showers with
isolated thunderstorms.
.tonight...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet at
7 seconds and northeast 1 foot at 11 seconds.
.monday...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet at
7 seconds and northeast 1 foot at 10 seconds. scattered showers.
.monday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet
at 7 seconds and northeast 1 foot at 10 seconds.
.tuesday...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet at
7 seconds and northeast 1 foot at 10 seconds. scattered showers in
the morning.
.tuesday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 4 to 6 feet, occasionally to 8 feet. wave detail:
east 6 feet at 7 seconds and northeast 1 foot at 10 seconds.
scattered showers.
.wednesday...east winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 4 to 6 feet, occasionally to 8 feet.
.wednesday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.thursday...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.thursday night...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 6/21/2026 3:36 AM America/Puerto_Rico.
Valid through 6/21/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 210736
cwfsju
expires:202606212015;;114826
coastal waters forecast
national weather service san juan pr
336 am ast sun jun 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz742-212015-
coastal waters of northwestern puerto rico out 10 nm-
336 am ast sun jun 21 2026
.today...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 3 feet at 6 seconds and northeast 1 foot at 11 seconds.
scattered showers late this morning. isolated thunderstorms late
this morning and afternoon. showers this afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: northeast 3 feet at 6 seconds and
northeast 1 foot at 11 seconds. scattered showers in the evening.
.monday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 25 knots in the afternoon. seas 2 to
3 feet. wave detail: east 3 feet at 7 seconds and northeast 1 foot
at 10 seconds. numerous showers in the afternoon.
.monday night...east winds 10 to 15 knots with gusts up to 30 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: northeast
4 feet at 7 seconds and northeast 1 foot at 10 seconds.
.tuesday...northeast winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: northeast
3 feet at 7 seconds and northeast 1 foot at 10 seconds. numerous
showers in the afternoon.
.tuesday night...northeast winds 15 to 20 knots, becoming east 10 to
15 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: northeast 4 feet at 6 seconds and northeast 1 foot at
10 seconds. scattered showers after midnight.
.wednesday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas 2 to 3 feet. scattered showers in the
afternoon.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 6/21/2026 3:36 AM America/Puerto_Rico.
Valid through 6/21/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 210736
cwfsju
expires:202606212015;;114827
coastal waters forecast
national weather service san juan pr
336 am ast sun jun 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz745-212015-
coastal waters of southwestern puerto rico out 10 nm-
336 am ast sun jun 21 2026
...small craft should exercise caution...
.today...east winds 5 to 10 knots, increasing to 15 to 20 knots with
gusts up to 25 knots. seas 2 to 3 feet. wave detail: southeast
3 feet at 5 seconds. isolated showers late this morning. scattered
showers with isolated thunderstorms early this afternoon, then
isolated showers late.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: southeast 3 feet at 5 seconds.
.monday...east winds 15 to 20 knots with gusts up to 25 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds. scattered showers in the afternoon.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. gusts up to 25 knots. seas 2 to 3 feet.
wave detail: southeast 3 feet at 7 seconds.
.tuesday...northeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: southeast 3 feet at 7 seconds. scattered
showers in the afternoon.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: east 3 feet at 6 seconds.
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 2 to 3 feet.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.thursday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet.
.thursday night...east winds 15 to 20 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
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